Joined: Jan 2008
Posts: 23,639
Likes: 1,106
From: Mans of NC & SW UT Desert
Bikes: 86 Katakura Silk, 87 Prologue X2, 88 Cimarron LE, 1975 Sekai 4000 Professional, 73 Paramount, plus more
+1 ebay can be high, except when you are looking for that one off part to complete a set.
The cheapest option is to find a good donor bike: garage sale, thrift store and so on; and then swap the parts. Sometimes Craigs List can be a decent option as well.